Martin was growing tired of their ceaseless chatter. 马丁越来越对她们不停的闲聊感到厌烦。

Our database is being continually updated. 我们的数据库一直在不断更新。

A video game will provide endless hours of fun. 电子游戏将带来无穷的乐趣。

the promise of eternal life/youth/friendship 永生/永远年轻/友谊长存的希望

the Christian belief in the everlasting life of the soul 相信灵魂永生的基督教思想

He promised to be her friend forever and ever. 他发誓永远做她的朋友。

Once the army moves in, it will be there for keeps. 一旦部队进驻，他们就将永远呆在那儿。

incessant crying 没完没了的哭

It will keep indefinitely in a sealed container. 它将无限期地封存在一个容器里。

He seems to have an inexhaustible supply of bad jokes. 他似乎有一大堆说不完的无聊笑话。

an ongoing discussion/investigation/study 正在进行的讨论/调查/研究

She complained of feeling permanently exhausted. 她诉说老觉得疲惫不堪。

He seems to be under relentless pressure at work. 他好像是在持续的压力下工作。

remorseless financial pressure 持续加大的金融压力

a seamless transition/movement 顺利的转换/平滑的运动

I can't believe I slept for twelve hours solid. 真不敢相信我连续睡了12个小时。

We've got a standing invitation to stay with Jen and Mike whenever we want. 我们受到詹和迈克长年的邀请，随时都可以到他们家做客。

We drove for five hours straight. 我们连续开了5个小时的车。

The champion was defeated in straight sets. 冠军直落两盘被击败。

sustainable economic growth 可持续的经济增长

Fighting continued unabated for several hours. 斗殴持续了几个小时而无法阻止。

I need to find somewhere I can work undisturbed. 我需要找一个没人打扰的地方工作。

They declared their undying love for each other. 他们表白了对彼此永恒的爱。

Her life seems to have consisted of an unending series of disasters. 她的生活似乎是由连续不断的灾难组成的。

His unflagging enthusiasm was an inspiration for all of us. 他经久不衰的热情鼓舞了我们所有人。

Fire regulations require unimpeded access to emergency exits. 防火条例规定，至紧急出口的通道必须畅通无阻。

The man let forth an uninterrupted stream of abuse. 那个男人连续不断地辱骂。